A new report lists places around the world that pose the greatest pollution risk to human health. Green Cross Switzerland and the Blacksmith Institute screened more than 3,000 contaminated sites and rated health threats. The top 10 polluted places are listed below in alphabetical order and pictured in a slideshow:

1. Agbobloshie (Ghana)

2. Chernobyl (Ukraine)

3. Citarum River (Indonesia)

4. Dzershinsk (Russia)

5. Hazaribagh (Bangladesh)

6. Kabwe (Zambia)

7. Kalimantan (Indonesia)

8. Matanza Riachuelo (Argentina)

9. Niger River Delta (Nigeria)

10. Norilsk (Russia)

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